Service DNS

Service DNS Profile

This profile monitors Domain Name Services on a remote server.

Services Configuration
  • Service - Definitions in Monarch are stored under this name.
  • Command Line - Service command name with arguments to be passed to the plugin.
  • Plugin Command Line - Plugin script called by Nagios for this Service.
  • Extended Info - The Extended Service Info definition, typically used for generating graphs.
    Command lines displayed below are intended to be single line commands.
    Service Command Line Plugin Command Line Extended Info
    udp_dns check_dns!www.groundworkopensource.com $USER1$/check_dns -t 30 -s $HOSTADDRESS$ -H "$ARG1$" number_graph
    udp_dns_expect check_dns_expect!www.groundworkopensource.com!64.127.120.109 $USER1$/check_dns -t 30 -s $HOSTADDRESS$ -H "$ARG1$" -a "$ARG2$" number_graph
Profile Package

This package includes the following files:

Profile Definitions

  • service-profile-service-dns.xml
  • perfconfig-service-dns.xml

Plugins Scripts

  • check_dns

Performance Graphing Programs

  • number_graph.cgi
Installation

GroundWork Monitor includes many monitoring profiles for a variety of devices, systems and applications. Profiles already imported on a new GroundWork installation include Service Ping, SNMP Network, and SSH UNIX. The GroundWork Monitor Configuration tool is used to import updated Profiles and Profiles that require additional setup; the Profile XML file and its companion Performance Configuration definition file. Services can also be imported in addition to Service Profiles in the Profile Importer. The import process is documented under GROUNDWORK PROFILES > How to import profiles.

Implementation

This section contains detail settings used by this Profile. These parameters can be altered with the Configuration tool.

Command Parameters

Command parameters are in the Configuration Services section with the following names and default values.

udp_dns

  • Queries the assigned host to get the IP address of a host. The nslookup program is used to perform the query.
  • $ARG1$ - Host name or IP address to query. (default www.groundworkopensource.com)

udp_dns_expect

  • Queries the assigned host to get the IP address of a host and checks the reply with the expected IP address. The nslookup program is used to perform the query.
  • $ARG1$ - Host name to query. (default www.groundworkopensource.com)
  • $ARG2$ - IP address of the host name (default 64.127.120.109)
Performance Graphing Parameters

The following parameters are used to generate performance charts. These parameters are set using the Configuration>Performance tool in GroundWork Monitor.

udp_dns

  • Graphs the response time of the DNS query.
  • Nagios service description must contain the string "udp_dns".

udp_dns_expect

  • Graphs the response time of the DNS query.
  • Nagios service description must contain the string "udp_dns_expect".
Implementation Notes

None.

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